Modeling plant nutrient uptake : mathematical analysis and optimal control
Langue
en
Article de revue
Ce document a été publié dans
Evolution Equations and Control Theory. 2015, vol. 4, n° 2, p. 193-203
American Institute of Mathematical Sciences (AIMS)
Résumé en anglais
The article studies the nutrient transfer mechanism and its control for mixed cropping systems. It presents a mathematical analysis and optimal control of the absorbed nutrient concentration, governed by a transport-diffusion ...Lire la suite >
The article studies the nutrient transfer mechanism and its control for mixed cropping systems. It presents a mathematical analysis and optimal control of the absorbed nutrient concentration, governed by a transport-diffusion equation in a bounded domain near the root system, satisfying to the Michaelis-Menten uptake law. The existence, uniqueness and positivity of a solution (the absorbed concentration) is proved. We also show that for a given plant we can determine the optimal amount of required nutrients for its growth. The characterization of the optimal control leading to the desired concentration at the root surface is obtained. Finally, some numerical simulations to evaluate the theoretical results are proposed.< Réduire
Mots clés en anglais
optimal control
Numerical analysis
nutrient uptake
NTB-System
transport-diffusion system
Origine
Importé de halUnités de recherche